Home / 125,780.48-173,577.04-75,479.52

Finding the Fourth Proportional to 125,780.48, 173,577.04 and 75,479.52

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Solution

The fourth proportional to 125,780.48, 173,577.04 and 75,479.52 is: 104,161.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,780.48 : 173,577.04 = 75,479.52 : x
  2. Step 2: Convert to fraction form
    125,780.48/173,577.04 = 75,479.52/x
  3. Step 3: Cross multiply
    125,780.48x = 173,577.04 × 75,479.52
  4. Step 4: Simplify right side
    125,780.48x = 13,101,511,662.22
  5. Step 5: Solve for x
    x = 13,101,511,662.22/125,780.48
  6. Step 6: Final answer
    x = 104,161.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.